DO NOT MERGE API for reporting IMS registration failures

     * Notifies the application when the list of URIs associated with IMS client is updated.

     */

    void registrationAssociatedUriChanged(in Uri[] uris);

    /**

     * Notifies the application when IMS registration attempt on a target

     * access tech fails.

     *

     * @param targetAccessTech Radio access technology on which the IMS registration was

     *         attempted.

     * @param imsReasonInfo Reason for the failure.

     */

    void registrationChangeFailed(in int targetAccessTech, in ImsReasonInfo imsReasonInfo);

}